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coldgirl [10]
3 years ago
10

Middle school math.​

Mathematics
2 answers:
Nonamiya [84]2 years ago
7 0
The last one the reason is 2 is how much weeks so it’d be 2x - 126 cause that’s how much she wants to lose
Nady [450]2 years ago
4 0

Answer: d or the last one

Step-by-step explanation:

The last one because she wants to lose 2 pounds per week and of x is the amount of weeks she does it for and 126 is the amount she already weighs, then the equation would be y=2x - 126

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Can you help meee get this ?
nikdorinn [45]

Answer: y=4/5x-2 or y=4/5x+(-2)

Step-by-step explanation:

The formula for slope-intercept form is y=mx+b.

To find the slope, we can use the formula m=\frac{y_{2}-y_{1}  }{x_{2}-x_{1}  } and plugging in the points given.

m=\frac{6-2}{10-5} =\frac{4}{5}

We know our slope is 4/5. We can plug this into our slope-intercept form and then plug in a point to find b, y-intercept.

y=\frac{4}{5} x+b

2=\frac{4}{5}(5)+b

2=4+b

b=-2

We know the y-intercept is -2.

THe final equation is y=4/5x-2 or y=4/5x+(-2).

4 0
3 years ago
F the range of the function f(x) = 7x – 2.7 is {14.1, 30.9, 41.4, 58.9, 68}, what is its domain?
grigory [225]
You need to solve  5 equations  
1. 7x - 2.1 = 14.1
2. 7x - 2.1 = 30.9  and so on


1. 7x - 2.1 = 14.1
7x = 16.2
x = 2.314     so first number in the domain is  2.314

You can calculate the other 4 in the same way
7 0
3 years ago
The ratio of corresponding sides of the first triangle to the second triangle below is
Cloud [144]

Answer:

no

Step-by-step explanation:

8 0
2 years ago
I am almost bankrupt asking the same question but....
ExtremeBDS [4]

Answer:

If you understand how I solved a you can do B. Keep at it!

Step-by-step explanation:

7 0
3 years ago
What is the radius of a circle. =units
madreJ [45]

Answer:

The circumference is the outside perimeter of a circle. It's the distance around a circle. A radius can be a line from any point on the circumference to the center of the circle. If you put two radii together, edge to edge, going through the center of a circle, you would get a diameter.

Step-by-step explanation:

7 0
3 years ago
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